Kouichi Ohshima

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Mishima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Emulsion ink and printing method using emulsion ink
- Patent number 6,348,519
- Issue date Feb 19, 2002
- Ricoh Company, Ltd.
- Kouichi Ohshima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Emulsion ink and printing method using emulsion ink
- Patent number 6,063,835
- Issue date May 16, 2000
- Ricoh Company, Ltd.
- Kouichi Ohshima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Smooth stencil base sheet, method of producing a printing master fr...
- Patent number 5,924,360
- Issue date Jul 20, 1999
- Ricoh Company, Ltd.
- Hiroshi Adachi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS